locutus/php/math/hypot.js

Locutus other languages' standard libraries to JavaScript for fun and educational purposes

"use strict";

module.exports = function hypot(x, y) {
  //  discuss at: https://locutus.io/php/hypot/
  // original by: Onno Marsman (https://twitter.com/onnomarsman)
  // imprived by: Robert Eisele (https://www.xarg.org/)
  //   example 1: hypot(3, 4)
  //   returns 1: 5
  //   example 2: hypot([], 'a')
  //   returns 2: null

  x = Math.abs(x);
  y = Math.abs(y);

  var t = Math.min(x, y);
  x = Math.max(x, y);
  t = t / x;

  return x * Math.sqrt(1 + t * t) || null;
};
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